body {
    background: #f5f5f5; font-family: 'Roboto', sans-serif;}

.mini {
    font-size: 1em;
    color: #000;
    line-height: 9em;
    text-indent: 2.5em;
    position: absolute;
    left: 50%;
    top: 50%;
}
.mega, .bola{
    line-height: 1.65em;
    font-weight: bold;
    font-size: 11em;
    color: black;
    font-family: 'Roboto', sans-serif;
    width: 300px;
    height: 300px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -150px;
    margin-top: -150px;}

.boom {color: #f5f5f5; }